The points of issue
UK HarperCollins hardcover 1993, with a priced front flap and no number line. The US Bantam Spectra hardcover (1994) states 'First Edition' with a number line ending in 1.
Is this the true first?
The UK HarperCollins edition (1993) is the true first, preceding the US Bantam edition (1994). Confirm by the 1993 imprint and jacket.
Telling it from reprints & book-club editions
The US Science Fiction Book Club edition carries a rear-board blind-stamp, lacks the 'First Edition' statement, and has a club/unpriced jacket. The UK 1993 first is the premium.
Frequently asked questions
Is my copy of Green Mars a first edition?
Look for these first-edition points: UK HarperCollins hardcover 1993, with a priced front flap and no number line. The US Bantam Spectra hardcover (1994) states 'First Edition' with a number line ending in 1.
How do I tell the first printing from a later one?
Check the copyright page for the publisher's first-printing convention and confirm the points above. The UK HarperCollins edition (1993) is the true first, preceding the US Bantam edition (1994). Confirm by the 1993 imprint and jacket.
Is the book-club edition the same as the first?
The US Science Fiction Book Club edition carries a rear-board blind-stamp, lacks the 'First Edition' statement, and has a club/unpriced jacket. The UK 1993 first is the premium.
I have a first edition of Green Mars — what should I do?
If you're clearing books, New Mexico Literacy Project offers free pickup in Albuquerque, any condition, and makes sure collectible copies aren't lost. To sell, see the author's collecting guide. Either way, nothing valuable ends up in a landfill.